DAC, VOBA, DSI, and DFEL - DFEL (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	$ 5,923
Amortization	(75)	$ (68)
Balance as of end-of-period	6,121
Variable Annuities
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	300	310
Deferrals	5	5
Amortization	(7)	(7)
Balance as of end-of-period	298	308
Less: ceded DFEL	0	0
Balance as of end-of-period, net of reinsurance	298	308
UL and Other
Changes in DFEL [Roll Forward]
Balance as of beginning-of-year	5,579	4,765
Deferrals	267	262
Amortization	(68)	(61)
Balance as of end-of-period	5,778	4,966
Less: ceded DFEL	2,303	30	$ 2,300
Balance as of end-of-period, net of reinsurance	$ 3,475	$ 4,936